5. Which sentences below is incorrect? He dances with his sister at the wedding I forgot my umbrella at work They builtd a sandcast.on the beach. We celebrated his birthday with a surprise party 20 poin

【Penjelasan】: Pilihan C "They builtd a sandcastl on the beach." adalah kalimat yang tidak benar. Kata kerja "build" dalam bentuk lampau seharusnya ditulis "built", bukan "bu". Selain itu, kata "sandcastl" seharusnya ditulis "sandcastle". Jadi, kalimat yang benar adalah "They built a sandcastle on the beach."【aban】: C